Radiator



(No Model.)

W. HOPKINS.

RADIATOR.

Patented Mar. 17, l885 \A/I IJEEEEE -CLMWL N. PETiRs. Phomlimugn her, Washin ton, mt;

:UNITED STATES.

PATENT OFFICE.

WILLIAM nornms, or DUBU UE, IOWA.

RADIATOR.

SPECIFICATION forming part of Letters Patent No. 314,128, dated March 17, 1885.

Application filed December 18, 1883. (No model.)

To all whom it may concern.- i

Be it known that I, WILLIAM Hornnvs, of Dubuque, in the county of Dubuque and State of Iowa, have invented a new and useful Improvement in Radiators; and I do hereby declare that the following is a full and exact description of the same, reference being had to the accompanying drawings, and to the letters of reference marked thereon.

The present invention proposes to improve upon the various means heretofore employed in securing the ends of the vertical pipes of steam-radiators, and it is particularly intended as an improvement upon radiators which have these pipes secured at their ends by expansion. In this class of radiators the pipes have heretofore been secured direct to the top or base of a chamber or cap, and if from any cause this chamber or cap was broken or became unfit for use the pipes could not beremoved withoutseparatingtheir connections with this part, whereas by my improvements, in an occurrence of this kind, the pipes can be removed without separating them from the parts to which they are secured, and this fea ture, together with others hereinaiter made manifest, constitutes the advantages asserted for my improvements.

The novelty of these improvements consists in these vertical pipes or tubes expansibly secured at their ends in plates, which a'reremovably secured within the top and bottom caps or chambers of a radiator; and it further consists in the combination of these and other parts of the radiator, all as more fully hereinafter described, and pointed out in the claims.

For the better understanding of my improvements as to details of construction and arrangement, attention is invited to the accompanying drawings, in which- Figure 1 is a sectional end View, in elevation, of a radiator constructed in accordance with my invention, and Fig. 2 a sectional side elevation of the same.

Like letters of reference denote corresponding parts.

A A A denote the vertical steam pipes or tubes, theends of which are inserted in the perforated flat metal plates BB, and are at these points expansibly secured ina manner similar to that in which boiler-fines are expanded at their ends to fit tightly in the perforated heads of a boiler.

Any of the well-knowntube-expanders may be successfully employed in making these joints, but the Dudgeon expander is preferred, as it is the most convenient to handle.

The fiat metal plates B B slide into grooves a" a, located on the interior of the top and bottom caps or chambers, B B, upon each side of the same, and said plates are securely fastened therein by means of keys or wedges c c, inserted between the plates and the roof of the grooves. The ends of the caps are closed by metal castings O, which are secured to the plates by means of screws b b, and the caps B B thus completed constitute upper and lower steam-tight chambers. Into the lower cap or chamber, through an inlet, D, is admitted the steam or heat for circulation through the pipes or tubes of the radiator.

The advantages resulting from the connection of the several parts of this radiator are that better facilities are ofi'ered for repairing and removal, and at the same time it enables larger and thinner pipes to be used, with a consequent increase in area of heating-surface.

lVhat I claim, and desire to secure by Letters Patent, is

1. A radiator having radiating pipes expansibly secured in plates removably secured within top and bottom caps or chambers, snbstantially as described.

2. In a radiator, the combination of the top 7 and bottom grooved caps, 13 B, the plates B B, fitting within the grooves of said caps, the keys or wedges a c for securing the plates, and the pipes A A, expansibly secured at their upper and lower ends in said plates, sub-.

stantially as described.

In testimony whereof I affix my signature in presence of two witnesses.

IVILLIAM HOPKINS.

Witnesses:

MONROE M. CADY, G. L. TORBERT. 

